unconfigured.sh

   1 #!/bin/bash
   2
   3 trap "err_reboot" ERR
   4
   5 # NOTE: we nowadays get exec'd by the initrd's PID 1, so we're the new PID 1
   6
   7 parse_cmdline() {
   8     proxdebug=0
   9     # shellcheck disable=SC2013 # per word splitting is wanted here
  10     for par in $(cat /proc/cmdline); do
  11         case $par in
  12             proxdebug)
  13             proxdebug=1
  14             ;;
  15         esac
  16     done;
  17 }
  18
  19 debugsh() {
  20     /bin/bash
  21 }
  22
  23 eject_and_reboot() {
  24     iso_dev=$(awk '/ iso9660 / {print $1}' /proc/mounts)
  25
  26     for try in 5 4 3 2 1; do
  27         echo "unmounting all"
  28         if umount -a; then
  29             break
  30         fi
  31         if test -n $try; then
  32             echo "unmount failed -trying again in 5 seconds"
  33             sleep 5
  34         fi
  35     done
  36
  37     if [ -n "$iso_dev" ]; then
  38         eject "$iso_dev"
  39     fi
  40
  41     echo "rebooting - please remove the ISO boot media"
  42     sleep 3
  43     echo b > /proc/sysrq-trigger
  44     sleep 100
  45 }
  46
  47 real_reboot() {
  48     trap - ERR
  49
  50     /etc/init.d/networking stop
  51
  52     # stop udev (release file handles)
  53     /etc/init.d/udev stop
  54
  55     echo -n "Deactivating swap..."
  56     swap=$(awk '/^\/dev\// { print $1 }' /proc/swaps);
  57     if [ -n "$swap" ]; then
  58        swapoff "$swap"
  59     fi
  60     echo "done."
  61
  62     umount -l -n /target >/dev/null 2>&1
  63     umount -l -n /dev/pts
  64     umount -l -n /dev/shm
  65     umount -l -n /dev
  66     umount -l -n /run
  67     [ -d /sys/firmware/efi/efivars ] && umount -l -n /sys/firmware/efi/efivars
  68
  69     # do not unmount proc and sys for now, at least /proc is still required to trigger the actual
  70     # reboot, and both are virtual FS only anyway
  71
  72     kill -s KILL -1 # kill all but current init (our self) PID 1
  73     sleep 1
  74
  75     eject_and_reboot
  76
  77     exit 0 # shouldn't be reached, kernel will panic in that case
  78 }
  79
  80 err_reboot() {
  81     printf "\nInstallation aborted - unable to continue (type exit or CTRL-D to reboot)\n"
  82     debugsh || true
  83     real_reboot
  84 }
  85
  86 # NOTE: dbus must be launched before this, else iwd cannot work
  87 # FIXME: very crude, still needs to actually copy over any iwd config to target
  88 handle_wireless() {
  89     wireless_found=
  90     for iface in /sys/class/net/*; do
  91         if [ -d "$iface/wireless" ]; then
  92             wireless_found=1
  93         fi
  94     done
  95     if [ -z $wireless_found ]; then
  96         return;
  97     fi
  98
  99     if [ -x /usr/libexec/iwd ]; then
 100         echo "wireless device(s) found, starting iwd; use 'iwctl' to manage connections (experimental)"
 101         /usr/libexec/iwd &
 102     else
 103         echo "wireless device found but iwd not available, ignoring"
 104     fi
 105 }
 106
 107 PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin
 108
 109 echo "Starting Proxmox installation"
 110
 111 # ensure udev doesn't ignores our request; FIXME: not required anymore, as we use switch_root now
 112 export SYSTEMD_IGNORE_CHROOT=1
 113
 114 mount -n -t proc proc /proc
 115 mount -n -t sysfs sysfs /sys
 116 if [ -d /sys/firmware/efi ]; then
 117     echo "EFI boot mode detected, mounting efivars filesystem"
 118     mount -n -t efivarfs efivarfs /sys/firmware/efi/efivars
 119 fi
 120 mount -n -t tmpfs tmpfs /run
 121
 122 parse_cmdline
 123
 124 # always load most common input drivers
 125 modprobe -q psmouse || true
 126 modprobe -q sermouse ||  true
 127 modprobe -q usbhid ||  true
 128
 129 # load device mapper - used by lilo
 130 modprobe -q dm_mod || true
 131
 132 echo "Installing additional hardware drivers"
 133 export RUNLEVEL=S
 134 export PREVLEVEL=N
 135 /etc/init.d/udev start
 136
 137 mkdir -p /dev/shm
 138 mount -t tmpfs tmpfs /dev/shm
 139
 140 # allow pseudo terminals for debuggin in X
 141 mkdir -p /dev/pts
 142 mount -vt devpts devpts /dev/pts -o gid=5,mode=620
 143
 144 # set the hostname
 145 hostname proxmox
 146
 147 if command -v dbus-daemon; then
 148     echo "starting D-Bus daemon"
 149     mkdir /run/dbus
 150     dbus-daemon --system --syslog-only
 151
 152     if [ $proxdebug -ne 0 ]; then # FIXME: better intergration, e.g., use iwgtk?
 153         handle_wireless # no-op if not wireless dev is found
 154     fi
 155 fi
 156
 157 if [ $proxdebug -ne 0 ]; then
 158     /sbin/agetty -o '-p -- \\u' --noclear tty9 &
 159     printf "\nDropping in debug shell before starting installation\n"
 160     echo "type exit or CTRL-D to continue and start the installation wizard"
 161     debugsh || true
 162 fi
 163
 164 # try to get ip config with dhcp
 165 echo -n "Attempting to get DHCP leases... "
 166 dhclient -v
 167 echo "done"
 168
 169 echo -n "Starting chrony for opportunistic time-sync... "
 170 chronyd || echo "starting chrony failed ($?)"
 171
 172 echo "Starting a root shell on tty3."
 173 setsid /sbin/agetty -a root --noclear tty3 &
 174
 175 xinit -- -dpi 96 >/dev/tty2 2>&1
 176
 177 # just to be sure everything is on disk
 178 sync
 179
 180 if [ $proxdebug -ne 0 ]; then
 181     printf "\nDebug shell after installation exited (type exit or CTRL-D to reboot)\n"
 182     debugsh || true
 183 fi
 184
 185 echo "Installation done, rebooting... "
 186
 187 killall5 -15
 188
 189 real_reboot
 190
 191 # never reached
 192 exit 0